Patents for H04N 7 - Television systems (274,023) |
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01/02/1990 | US4891698 Arrangement for DPCM-coding of video signals |
01/02/1990 | US4891696 Electronic endoscope apparatus provided with image forming position detecting means |
01/02/1990 | US4891695 Electronic endoscope apparatus provided with a plurality of endoscopes having solid state imaging devices with at least one identical pixel forming element |
01/02/1990 | US4891694 Fiber optic cable television distribution system |
01/02/1990 | US4891633 Digital image exchange system |
12/28/1989 | WO1989012943A1 A method and apparatus for manipulating video image signals |
12/28/1989 | DE3914466A1 Digital PCM-video/audio transmission via monomode optical fibres integrated in overhead lines (land cables), trailing cables, power cables (land/sea) for network, power station, traffic or industrial monitoring |
12/28/1989 | DE3821356A1 Bus system for the field of entertainment electronics |
12/27/1989 | EP0348322A1 Method for the restoration of the continuous component of a DMAC type signal, device therefor and use thereof |
12/27/1989 | EP0348321A1 Method of regulating the auxiliary data rate for the reconstruction of undersampled electronic images |
12/27/1989 | EP0348320A1 Animated electronic image segmentation process according to the movement of image blocks, using a contour detection process |
12/27/1989 | EP0348207A2 Image motion vector detecting apparatus |
12/27/1989 | EP0348188A2 Data transmission |
12/27/1989 | EP0348186A2 Bandwidth reduction system for television |
12/27/1989 | EP0348163A2 Compatible television transmission system with separate pre-emphasis path within single channel |
12/27/1989 | EP0347984A1 System for processing television pictures with a motion estimator and reduced data rate |
12/27/1989 | EP0347419A1 Improvements in interactive video systems. |
12/26/1989 | US4890322 Method and apparatus for subscription broadcast |
12/26/1989 | US4890321 Communications format for a subscription television system permitting transmission of individual text messages to subscribers |
12/26/1989 | US4890320 Television broadcast system for selective transmission of viewer-chosen programs at viewer-requested times |
12/26/1989 | US4890319 Method for controlling copying of protected information transmitted over a communications link |
12/26/1989 | US4890314 Teleconference facility with high resolution video display |
12/26/1989 | US4890283 High definition television augmentation channel |
12/26/1989 | US4890162 Adjustable antialias filters |
12/26/1989 | US4890161 Decoding apparatus |
12/26/1989 | US4890160 TV picture motion vector measurement by correlation of pictures |
12/21/1989 | DE3919302A1 Einrichtung zum uebertragen von bildinformation Means for carry over of picture information |
12/20/1989 | EP0347401A2 Method of and system for identification and verification of broadcasted television and radio program segments |
12/20/1989 | EP0347330A1 Method for controlling the filling of the buffer memory of a picture coder, and controlling device for carrying out the method |
12/20/1989 | EP0347325A1 Method and installation for broadcasting compatible high-definition programmes |
12/20/1989 | EP0346856A1 Method and circuits for the processing and transmission of a clock signal, in particular of the video synchronization frequency |
12/20/1989 | EP0346766A1 Blocking artifacts reduction method for video scene coding by means of discrete cosine transformation with a low data rate |
12/20/1989 | EP0346751A2 Device for the DPCM coding of television signals |
12/20/1989 | EP0346750A2 Device for DPCM coding at a high data rate |
12/20/1989 | EP0346700A2 Cable television descrambler |
12/20/1989 | EP0346637A2 Method for processing and transmitting a picture sequence |
12/20/1989 | EP0346636A2 Method for processing and transmitting a picture sequence |
12/20/1989 | EP0346635A2 Method and device for coding pictures |
12/20/1989 | EP0346495A1 Television tuner |
12/20/1989 | EP0346402A1 Interactive video method and apparatus |
12/20/1989 | CN1038196A Frequency generation for extended bandwidth mac color television encoding and decoding |
12/20/1989 | CN1038195A Method and apparatus for improving video scrambling and employing split sync pulses |
12/19/1989 | US4888819 Television on channel selecting apparatus with sequential selection of auxiliary signal source |
12/19/1989 | US4888796 Program material screening device |
12/19/1989 | US4888795 Videotelephone apparatus for transmitting high and low resolution video signals over telephone exchange lines |
12/19/1989 | US4888768 Frame format for video codec |
12/19/1989 | US4888641 Extended definition widescreen television system using plural signal transmission channels |
12/19/1989 | US4888640 Refresh system for digital signals |
12/19/1989 | US4888638 System for substituting television programs transmitted via telephone lines |
12/19/1989 | US4888605 Photographing apparatus with self-monitoring device |
12/14/1989 | WO1989012371A1 Method and apparatus for detecting innovations in a scene |
12/14/1989 | WO1989012370A1 Television broadcast system for selective transmission of viewer-chosen programs at viewer-requested times |
12/14/1989 | DE3818371A1 Device for the selective switching of the connections between a data transmission channel and a plurality of playback devices |
12/13/1989 | EP0346254A1 Central device for authorizing the individual operation of several randomly situated apparatuses |
12/13/1989 | EP0345977A1 Improvements relating to image processing |
12/13/1989 | EP0345952A2 Method and apparatus for encrypting and decrypting time domain signals |
12/13/1989 | EP0345894A1 Device for correcting a video signal |
12/13/1989 | EP0345872A1 Device for reproducing digitized video pictures |
12/13/1989 | EP0345871A1 Device for reproducing digitized video pictures, with inclined plane error restoration |
12/13/1989 | EP0345326A1 Data transmission in active picture period. |
12/12/1989 | US4887306 Adaptive temporal filter for ultrasound imaging system |
12/12/1989 | US4887296 Cryptographic system for direct broadcast satellite system |
12/12/1989 | US4887158 Sound and image transmission system |
12/12/1989 | US4887157 Method and apparatus for improving the resolution of digital signals |
12/12/1989 | US4887156 Method and system for transform coding of video signals |
12/12/1989 | US4887154 Lamp assembly and receptacle |
12/12/1989 | US4887152 Message delivery system operable in an override mode upon reception of a command signal |
12/12/1989 | US4887151 Encoding apparatus for color image data with block-by-block individual quantizing or individual encoding of luminosity, structure, and color information |
12/12/1989 | US4886222 Atmospheric autorotating imaging device |
12/06/1989 | EP0344991A2 AFC apparatus |
12/06/1989 | EP0344856A1 Video signal processing circuit |
12/06/1989 | EP0344846A2 Processing sub-sampled signals |
12/06/1989 | EP0344843A1 Television motion detection arrangement |
12/06/1989 | EP0344754A2 Video tape recorder |
12/05/1989 | US4885803 System and method for controlling a plurality of electronic entertainment devices |
12/05/1989 | US4885795 Hospital digital data transfer system |
12/05/1989 | US4885794 Method and apparatus for protection of channel access in broadband cable communications systems |
12/05/1989 | US4885787 High-speed digital image processing apparatus |
12/05/1989 | US4885776 Television signal encoder with reduced transient switching effects |
12/05/1989 | US4885775 Information display scheme for subscribers of a subscription television system |
12/05/1989 | US4885747 Broadband and baseband LAN |
12/05/1989 | US4885697 Method of identifying spectra |
12/05/1989 | US4885637 Encoder |
12/05/1989 | US4885636 Block adaptive linear predictive coding with adaptive gain and bias |
12/05/1989 | US4885631 High resolution color television signal transmission system and receiver utilizing motion information of a picture |
12/05/1989 | US4885579 Device for the remote control of a videorecorder or a videoreceiver |
12/05/1989 | US4885546 Digital demodulator for AM or FM |
12/05/1989 | CA1263742A1 Method and apparatus for detecting the channel to which an electronic receiver system is tuned |
11/30/1989 | WO1989011767A1 System for emission and reception of television with high definition and low data output |
11/30/1989 | DE3917085A1 Circuit arrangement for filtering a video signal |
11/30/1989 | DE3903262A1 Receiving system for a satellite broadcasting system |
11/30/1989 | DE3817752A1 Noise block |
11/30/1989 | DE3816735A1 Method for transmitting 2 or more channels with an alternating current and/or frequency reduction of an alternating coding current |
11/29/1989 | EP0344071A1 Method of broadcasting and receiving messages for admission entitlement supervision |
11/29/1989 | EP0343805A2 Reproduction of secure keys by using distributed key generation data |
11/29/1989 | EP0343790A2 Video telecommunication system and method for compressing and decompressing digital colour video data |
11/29/1989 | EP0343742A2 Decoders for Hamming encoded data |
11/29/1989 | EP0343741A2 Teletext decoders |
11/29/1989 | EP0343740A2 Teletext decoders |
11/29/1989 | EP0343739A2 Teletext decoders |